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mirror of https://github.com/koreader/koreader synced 2024-11-04 12:00:25 +00:00
koreader/frontend/ui/widget/inputtext.lua
Robert efa0d06df9 Add new options to screensaver (#3535)
* Prevent open screensaver more than one in the same time

* Add option to enable/disable background in message screensaver

* fallback to random images if this book cover is excluded feature + fix Disabled (leave screen/page as it is)

* Autostretch disable by default, more fallback options, leave screen as it is
2017-12-17 18:27:24 +01:00

289 lines
8.2 KiB
Lua

local Blitbuffer = require("ffi/blitbuffer")
local CheckButton = require("ui/widget/checkbutton")
local Device = require("device")
local FrameContainer = require("ui/widget/container/framecontainer")
local Font = require("ui/font")
local GestureRange = require("ui/gesturerange")
local InputContainer = require("ui/widget/container/inputcontainer")
local ScrollTextWidget = require("ui/widget/scrolltextwidget")
local TextBoxWidget = require("ui/widget/textboxwidget")
local UIManager = require("ui/uimanager")
local VerticalGroup = require("ui/widget/verticalgroup")
local util = require("util")
local _ = require("gettext")
local Screen = Device.screen
local Keyboard
local InputText = InputContainer:new{
text = "",
hint = "demo hint",
charlist = nil, -- table to store input string
charpos = nil, -- position to insert a new char, or the position of the cursor
input_type = nil,
text_type = nil,
text_widget = nil, -- Text Widget for cursor movement
show_password_toggle = true,
width = nil,
height = nil,
face = Font:getFace("smallinfofont"),
padding = Screen:scaleBySize(5),
margin = Screen:scaleBySize(5),
bordersize = Screen:scaleBySize(2),
parent = nil, -- parent dialog that will be set dirty
scroll = false,
focused = true,
}
-- only use PhysicalKeyboard if the device does not have touch screen
if Device.isTouchDevice() then
Keyboard = require("ui/widget/virtualkeyboard")
function InputText:initEventListener()
self.ges_events = {
TapTextBox = {
GestureRange:new{
ges = "tap",
range = self.dimen
}
}
}
end
function InputText:onTapTextBox(arg, ges)
if self.parent.onSwitchFocus then
self.parent:onSwitchFocus(self)
end
local x = ges.pos.x - self._frame_textwidget.dimen.x - self.bordersize - self.padding
local y = ges.pos.y - self._frame_textwidget.dimen.y - self.bordersize - self.padding
if x > 0 and y > 0 then
self.charpos = self.text_widget:moveCursor(x, y)
UIManager:setDirty(self.parent, function()
return "ui", self.dimen
end)
end
end
else
Keyboard = require("ui/widget/physicalkeyboard")
function InputText:initEventListener() end
end
function InputText:init()
self:initTextBox(self.text)
if self.readonly ~= true then
self:initKeyboard()
self:initEventListener()
end
end
function InputText:initTextBox(text, char_added, is_password_type)
self.text = text
if self.text_type == "password" then
is_password_type = true
end
local fgcolor
local show_charlist
local show_text = text
if show_text == "" or show_text == nil then
-- no preset value, use hint text if set
show_text = self.hint
fgcolor = Blitbuffer.COLOR_GREY
self.charlist = {}
self.charpos = 1
else
fgcolor = Blitbuffer.COLOR_BLACK
if self.text_type == "password" then
show_text = self.text:gsub(
"(.-).", function() return "*" end)
if char_added then
show_text = show_text:gsub(
"(.)$", function() return self.text:sub(-1) end)
end
end
self.charlist = util.splitToChars(text)
if self.charpos == nil then
self.charpos = #self.charlist + 1
end
end
if is_password_type and self.show_password_toggle then
self._check_button = self._check_button or CheckButton:new{
text = _("Show password"),
callback = function()
if self.text_type == "text" then
self.text_type = "password"
self._check_button:unCheck()
else
self.text_type = "text"
self._check_button:check()
end
self:setText(self:getText(), is_password_type)
end,
width = self.width,
height = self.height,
padding = self.padding,
margin = self.margin,
bordersize = self.bordersize,
}
self._password_toggle = FrameContainer:new{
bordersize = 0,
padding = self.padding,
margin = self.margin,
self._check_button,
}
else
self._password_toggle = nil
end
show_charlist = util.splitToChars(show_text)
if self.scroll then
self.text_widget = ScrollTextWidget:new{
text = show_text,
charlist = show_charlist,
charpos = self.charpos,
editable = self.focused,
face = self.face,
fgcolor = fgcolor,
width = self.width,
height = self.height,
dialog = self.parent,
}
else
self.text_widget = TextBoxWidget:new{
text = show_text,
charlist = show_charlist,
charpos = self.charpos,
editable = self.focused,
face = self.face,
fgcolor = fgcolor,
width = self.width,
height = self.height,
}
end
self._frame_textwidget = FrameContainer:new{
bordersize = self.bordersize,
padding = self.padding,
margin = self.margin,
color = self.focused and Blitbuffer.COLOR_BLACK or Blitbuffer.COLOR_GREY,
self.text_widget,
}
self._verticalgroup = VerticalGroup:new{
align = "left",
self._frame_textwidget,
self._password_toggle,
}
self._frame = FrameContainer:new{
bordersize = 0,
margin = 0,
padding = 0,
self._verticalgroup,
}
self[1] = self._frame
self.dimen = self._frame:getSize()
-- FIXME: self.parent is not always in the widget stack (BookStatusWidget)
UIManager:setDirty(self.parent, function()
return "ui", self.dimen
end)
end
function InputText:initKeyboard()
local keyboard_layout = 2
if self.input_type == "number" then
keyboard_layout = 4
end
self.keyboard = Keyboard:new{
layout = keyboard_layout,
inputbox = self,
width = Screen:getWidth(),
}
end
function InputText:unfocus()
self.focused = false
self.text_widget:unfocus()
self[1].color = Blitbuffer.COLOR_GREY
end
function InputText:focus()
self.focused = true
self.text_widget:focus()
self[1].color = Blitbuffer.COLOR_BLACK
end
function InputText:onShowKeyboard()
UIManager:show(self.keyboard)
end
function InputText:onCloseKeyboard()
UIManager:close(self.keyboard)
end
function InputText:getKeyboardDimen()
return self.keyboard.dimen
end
function InputText:addChar(char)
if self.enter_callback and char == '\n' then
UIManager:scheduleIn(0.3, function() self.enter_callback() end)
return
end
table.insert(self.charlist, self.charpos, char)
self.charpos = self.charpos + 1
self:initTextBox(table.concat(self.charlist), true)
end
function InputText:delChar()
if self.charpos == 1 then return end
self.charpos = self.charpos - 1
table.remove(self.charlist, self.charpos)
self:initTextBox(table.concat(self.charlist))
end
function InputText:leftChar()
if self.charpos == 1 then return end
self.charpos = self.charpos -1
self:initTextBox(table.concat(self.charlist))
end
function InputText:rightChar()
if self.charpos > #table.concat(self.charlist) then return end
self.charpos = self.charpos +1
self:initTextBox(table.concat(self.charlist))
end
function InputText:upLine()
if self.text_widget.moveCursorUp then
self.text_widget:moveCursorUp()
end
end
function InputText:downLine()
if self.text_widget.moveCursorDown then
self.text_widget:moveCursorDown()
end
end
function InputText:clear()
self.charpos = nil
self:initTextBox("")
UIManager:setDirty(self.parent, function()
return "ui", self[1][1].dimen
end)
end
function InputText:getText()
return self.text
end
function InputText:setText(text, is_password_type)
self.charpos = nil
self:initTextBox(text, nil, is_password_type)
UIManager:setDirty(self.parent, function()
return "partial", self[1].dimen
end)
end
return InputText